From: Ville Syrjälä Date: Wed, 11 Mar 2020 15:54:22 +0000 (+0200) Subject: drm/i915: Use stashed away hpd isr bits in intel_digital_port_connected() X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=c7e8a3d674fbaa5b12ddc681bdf46c34a27e55d5;p=kernel.git drm/i915: Use stashed away hpd isr bits in intel_digital_port_connected() Get rid of several platform specific variants of intel_digital_port_connected() and just use the ISR bits we've stashed away. v2: Duplicate stuff to avoid exposing platform specific functions across files (Jani) Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20200311155422.3043-4-ville.syrjala@linux.intel.com Reviewed-by: Imre Deak --- diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 75339bb25fd75..798889f72495e 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4692,41 +4692,7 @@ intel_ddi_hotplug(struct intel_encoder *encoder, static bool lpt_digital_port_connected(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit; - - switch (encoder->hpd_pin) { - case HPD_PORT_B: - bit = SDE_PORTB_HOTPLUG_CPT; - break; - case HPD_PORT_C: - bit = SDE_PORTC_HOTPLUG_CPT; - break; - case HPD_PORT_D: - bit = SDE_PORTD_HOTPLUG_CPT; - break; - default: - MISSING_CASE(encoder->hpd_pin); - return false; - } - - return intel_de_read(dev_priv, SDEISR) & bit; -} - -static bool spt_digital_port_connected(struct intel_encoder *encoder) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit; - - switch (encoder->hpd_pin) { - case HPD_PORT_A: - bit = SDE_PORTA_HOTPLUG_SPT; - break; - case HPD_PORT_E: - bit = SDE_PORTE_HOTPLUG_SPT; - break; - default: - return lpt_digital_port_connected(encoder); - } + u32 bit = dev_priv->hotplug.pch_hpd[encoder->hpd_pin]; return intel_de_read(dev_priv, SDEISR) & bit; } @@ -4734,51 +4700,19 @@ static bool spt_digital_port_connected(struct intel_encoder *encoder) static bool hsw_digital_port_connected(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin]; - return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG_IVB; + return intel_de_read(dev_priv, DEISR) & bit; } static bool bdw_digital_port_connected(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - - return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG; -} - -static bool bxt_digital_port_connected(struct intel_encoder *encoder) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit; - - switch (encoder->hpd_pin) { - case HPD_PORT_A: - bit = BXT_DE_PORT_HP_DDIA; - break; - case HPD_PORT_B: - bit = BXT_DE_PORT_HP_DDIB; - break; - case HPD_PORT_C: - bit = BXT_DE_PORT_HP_DDIC; - break; - default: - MISSING_CASE(encoder->hpd_pin); - return false; - } + u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin]; return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit; } -static bool icp_digital_port_connected(struct intel_encoder *encoder) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - if (HAS_PCH_MCC(dev_priv) && phy == PHY_C) - return intel_de_read(dev_priv, SDEISR) & SDE_TC_HOTPLUG_ICP(PORT_TC1); - - return intel_de_read(dev_priv, SDEISR) & SDE_DDI_HOTPLUG_ICP(phy); -} - static struct intel_connector * intel_ddi_init_hdmi_connector(struct intel_digital_port *intel_dig_port) { @@ -4979,17 +4913,15 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) if (intel_phy_is_tc(dev_priv, phy)) intel_dig_port->connected = intel_tc_port_connected; else - intel_dig_port->connected = icp_digital_port_connected; - } else if (IS_GEN9_LP(dev_priv)) { - intel_dig_port->connected = bxt_digital_port_connected; - } else if (port == PORT_A) { - if (INTEL_GEN(dev_priv) >= 8) + intel_dig_port->connected = lpt_digital_port_connected; + } else if (INTEL_GEN(dev_priv) >= 8) { + if (port == PORT_A || IS_GEN9_LP(dev_priv)) intel_dig_port->connected = bdw_digital_port_connected; else - intel_dig_port->connected = hsw_digital_port_connected; + intel_dig_port->connected = lpt_digital_port_connected; } else { - if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT) - intel_dig_port->connected = spt_digital_port_connected; + if (port == PORT_A) + intel_dig_port->connected = hsw_digital_port_connected; else intel_dig_port->connected = lpt_digital_port_connected; } diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 99586b20b610a..67723dede1d16 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5998,45 +5998,7 @@ edp_detect(struct intel_dp *intel_dp) static bool ibx_digital_port_connected(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit; - - switch (encoder->hpd_pin) { - case HPD_PORT_B: - bit = SDE_PORTB_HOTPLUG; - break; - case HPD_PORT_C: - bit = SDE_PORTC_HOTPLUG; - break; - case HPD_PORT_D: - bit = SDE_PORTD_HOTPLUG; - break; - default: - MISSING_CASE(encoder->hpd_pin); - return false; - } - - return intel_de_read(dev_priv, SDEISR) & bit; -} - -static bool cpt_digital_port_connected(struct intel_encoder *encoder) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit; - - switch (encoder->hpd_pin) { - case HPD_PORT_B: - bit = SDE_PORTB_HOTPLUG_CPT; - break; - case HPD_PORT_C: - bit = SDE_PORTC_HOTPLUG_CPT; - break; - case HPD_PORT_D: - bit = SDE_PORTD_HOTPLUG_CPT; - break; - default: - MISSING_CASE(encoder->hpd_pin); - return false; - } + u32 bit = dev_priv->hotplug.pch_hpd[encoder->hpd_pin]; return intel_de_read(dev_priv, SDEISR) & bit; } @@ -6090,15 +6052,9 @@ static bool gm45_digital_port_connected(struct intel_encoder *encoder) static bool ilk_digital_port_connected(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin]; - return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG; -} - -static bool ivb_digital_port_connected(struct intel_encoder *encoder) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - - return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG_IVB; + return intel_de_read(dev_priv, DEISR) & bit; } /* @@ -8405,14 +8361,9 @@ bool intel_dp_init(struct drm_i915_private *dev_priv, intel_dig_port->connected = gm45_digital_port_connected; else intel_dig_port->connected = g4x_digital_port_connected; - } else if (port == PORT_A) { - if (IS_IVYBRIDGE(dev_priv)) - intel_dig_port->connected = ivb_digital_port_connected; - else - intel_dig_port->connected = ilk_digital_port_connected; } else { - if (HAS_PCH_CPT(dev_priv)) - intel_dig_port->connected = cpt_digital_port_connected; + if (port == PORT_A) + intel_dig_port->connected = ilk_digital_port_connected; else intel_dig_port->connected = ibx_digital_port_connected; } diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index 8aadca51fce62..b161c15baf869 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -238,8 +238,8 @@ static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port, static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port); struct intel_uncore *uncore = &i915->uncore; + u32 isr_bit = i915->hotplug.pch_hpd[dig_port->base.hpd_pin]; u32 mask = 0; u32 val; @@ -258,7 +258,7 @@ static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port) if (val & TC_LIVE_STATE_TC(dig_port->tc_phy_fia_idx)) mask |= BIT(TC_PORT_DP_ALT); - if (intel_uncore_read(uncore, SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port)) + if (intel_uncore_read(uncore, SDEISR) & isr_bit) mask |= BIT(TC_PORT_LEGACY); /* The sink can be connected only in a single mode. */